IRS e-file Electronic Funds Withdrawal Authorization for Form 7004

Form 8878-A is used by a corporate officer or agent and an electronic return originator (ERO) to use a personal identification number (PIN) to authorize an electronic funds withdrawal for a tax payment made with a request to extend the filing due date for a corporate income tax return.

The latest form for IRS e-file Electronic Funds Withdrawal Authorization for Form 7004 expires 2021-04-30 and can be found here.